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本文介绍了QAM调制、解调和判决原理,讨论了QAM的误码率性能,并在SystemView下对QAM调制、解调系统进行了仿真,观察并分析了原始输入信号、调制信号、解调信号、星座图以及QAM信号的功率谱图。-QAM modulation, demodulation and sentencing principle, the QAM BER performance, and right under the SystemView QAM modulation, demodulation system f
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PQ分解法,有些还需要改进,该程序所对应的例子是东南大学陈珩编的《电力系统稳态分析(第二版)》的例4-5-PQ decomposition, some also needs to be improved, The procedure corresponding to the example of Southeast University, Chen Heng addendum to the "steady-state power system analysis (second edit
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短期负荷预测对电力系统的经济和安全运行有重要作用随着人工智能技术和高深数学理论的发展,为负荷预测研究开辟了新途径和新方法电力市场竞争机制引入对负荷预测提出新要求各种随机因素对负荷预测的影响尚未取得完善研究方法据此对负荷预测的研究一直是人们研究的热点本文是根据课题组研究工作在总结的基础上重点介绍模糊集理论数据挖掘小波分析混沌理论的负荷预测研究
关键词短期负荷预测智能技术模糊集理论数据挖掘小波分析混沌理论-short-term load forecasts on the power system
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电力系统监测框架提供了框架源码,包括曲线分析等,设计非常新颖,在VC中运行通过。-power system monitoring framework provides a framework for FOSS, including curve analysis, design very innovative, VC in the run through.
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非同步采样对电力系统谐波分析精度影响的Matlab仿真研究-non-synchronous sampling on the power system harmonic analysis accuracy of Matlab simulation
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本音频信号分析仪由32位MCU为主控制器,通过AD转换,对音频信号进行采样,把连续信号离散化,然后通过FFT快速傅氏变换运算,在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理,然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz,其幅度范围为5mVpp-5Vpp,分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期,是理想的音频信号分析仪的解决方案。-The audio signal ana
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规约分析软件,包含电力系统的101规约,103规约,104规约,完全按照国标版配置,实用-Statute of the analysis software, the statute contains a power system 101, 103 of the Statute, 104 Statute, in full accordance with the national standard version of the configuration utility
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Including Deng's correlation, absolute correlation, correlation of slope, improved absolute correlation, Power System Transient Stability Program, can be transient stability, ICA (Principal Component Analysis) algorithm and procedures.
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